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Field testing of geosynthetic-reinforced and column-supported earth platforms constructed on soft soil

Qiangong CHENG,Jiujiang WU,Dongxue ZHANG,Fengping MA

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 2,   Pages 124-139 doi: 10.1007/s11709-014-0255-9

Abstract: This paper is focused on the behavior of geosynthetic-reinforced and column-supported (GRCS) earth platformsanalyzing the data of a 15-month long field monitoring project, the bearing behavior and effectiveness of GRCSearth platforms are discussed in detail.These suggest that the use of GRCS system can reduce lateral displacements and enhance the stability

Keywords： geosynthetic-reinforced and column-supported (GRCS) earth platforms     soft soil     bearing behavior     settlement    

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Recent advances in geosynthetic-reinforced retaining walls for highway applications

Jie HAN, Yan JIANG, Chao XU

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 2,   Pages 239-247 doi: 10.1007/s11709-017-0424-8

Abstract: Geosynthetic-reinforced retaining (GRR) walls have been increasingly used to support roadways and bridgeThis system is referred to as a geosynthetic-reinforced soil (GRS)-integrated bridge systems (IBS) orIn addition, short geosynthetic layers have been used as secondary reinforcement in a GRR wall to formwall systems, summarizes key results and findings including but not limited to vertical and lateral earthpressures, wall facing deflections, and strains in geosynthetic layers, discusses design aspects, and

Keywords： bridge     geosynthetic     highway     reinforced     wall    

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Seismic effects on reinforcement load and lateral deformation of geosynthetic-reinforced soil walls

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 1001-1015 doi: 10.1007/s11709-021-0734-8

Abstract: Current design methods for the internal stability of geosynthetic-reinforced soil (GRS) walls postulateseismic forces as inertial forces, leading to pseudo-static analyses based on active earth pressure

Keywords： geosynthetics     reinforced soil     retaining walls     seismic performance    

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Soil spatial variability impact on the behavior of a reinforced earth wall

Adam HAMROUNI, Daniel DIAS, Badreddine SBARTAI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 2,   Pages 518-531 doi: 10.1007/s11709-020-0611-x

Abstract: This article presents the soil spatial variability effect on the performance of a reinforced earth wallThe Monte Carlo simulation technique is used to obtain the deformation response variability of the reinforced

Keywords： reinforced earth wall     geosynthetic     random field     spatial variability     Monte Carlo simulation    

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Migration of ammonium nitrogen in ion-absorbed rare earth soils during and post mining: a column study

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 8, doi: 10.1007/s11783-023-1702-4

Abstract:

● Column experiments with an inclined slope were applied to simulate

Keywords： Ion-absorbed rare earth     Ammonium nitrogen transport     HYDRUS-2D     Numerical simulation    

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Performance evaluation of low-rise infilled reinforced concrete frames designed by considering localeffects on column shear demand

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5,   Pages 686-703 doi: 10.1007/s11709-023-0937-2

Abstract: The interactions between reinforced concrete (RC) frames and infill walls play an important role in theThe proposed method can eliminate the column shear failure from the building.

Keywords： reinforced concrete frames     infill wall     seismic design method     shear failure     wall-frame interaction    

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Parametric study on seismic performance of self-centering reinforced concrete column with bottom-placed

Frontiers of Structural and Civil Engineering   Pages 1145-1162 doi: 10.1007/s11709-023-0945-2

Abstract: To realize seismic-resilient reinforced concrete (RC) moment-resisting frame structures, a novel self-centeringRC column with a rubber layer placed at the bottom (SRRC column) is proposed herein.For the column, the longitudinal reinforcement dissipates seismic energy, the rubber layer allows therocking of the column, and the unbonded prestressed tendon enables self-centering capacity.A refined finite element model of the SRRC column is developed, the effectiveness of which is validated

Keywords： seismic resilience     self-centering     rubber layer     flag-shaped hysteresis loop     parametric study    

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Direct synthesis of dimethyl carbonate over rare earth oxide supported catalyst

JIANG Qi, CHENG Jiye, GAO Zhiqin

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 3,   Pages 300-303 doi: 10.1007/s11705-007-0055-z

Abstract: Solid base catalysts for the direct synthesis of dimethyl carbonate (DMC) from carbon dioxide, methanol, and propylene oxide were prepared by loading KCl and KCO on the surface of LaO, YO, CeO and NdO. The catalysts were characterized by thermogravimetric analysis (TGA) and X-ray diffraction (XRD) techniques. The catalytic activities were efficiently influenced by the preparation conditions. The optimal loading amount of KCO is 17.6% (mass) for KCl-KCO/YO and 22.2% for other catalysts. Supports affected the activity of catalyst. KCl-KCO/NdO exhibited the highest activity. The activity of KCl-KCO/YO increased with the increase of calcination temperature in the range of 800ºC–900ºC. The formation of KYO, YOCl or YO species probably promoted the catalysts.

Keywords： thermogravimetric analysis     increase     KCl-KCO/NdO     catalytic     KCl-KCO/YO    

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Three-dimensional numerical modeling of single geocell-reinforced sand

Xiaoming YANG, Jie HAN, Robert L. PARSONS, Dov LESHCHINSKY,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 2,   Pages 233-240 doi: 10.1007/s11709-010-0020-7

Abstract: paper summarizes the development of a three-dimensional numerical model for analyzing single geocell-reinforcedverify this model, a plate load test was conducted in the laboratory, in which a 12-cm-thick sand layer reinforced

Keywords： geosynthetic reinforcement     geocell     numerical model     FLAC3D    

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Effect of eccentricity in reinforced concrete beam-column-slab connection under cyclic loading

Rooh ULLAH, Amjad NASEER, Muhammad FAHIM, Mohammad ASHRAF, Eid BADSHAH

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 2,   Pages 390-398 doi: 10.1007/s11709-021-0690-3

Abstract: Beam–column connections are one of the most critical elements of reinforced concrete structures, especiallyHowever, very limited experimental studies about eccentric reinforced concrete connections includingThis study presents the experimental results of two half-scale eccentric beam-column-slab connectionsThe horizontal eccentricity ( ) is maintained at 12.5% and 25% of column width ( ) for specimens 1 and

Keywords： corner connection     eccentricity     strength degradation     stiffness degradation     energy dissipation     performance levels    

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Progressive collapse of 2D reinforced concrete structures under sudden column removal

El Houcine MOURID, Said MAMOURI, Adnan IBRAHIMBEGOVIC

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1387-1402 doi: 10.1007/s11709-020-0645-0

Abstract: Once a column in building is removed due to gas explosion, vehicle impact, terrorist attack, earthquakeor any natural disaster, the loading supported by removed column transfers to neighboring structuralIn this paper, an efficient strategy to model and simulate the progressive collapse of multi-story reinforcedconcrete structure under sudden column removal is presented.contribution pertains to a very thorough investigation of progressive collapse of the structure under sudden column

Keywords： failure mechanism     MBS dynamic analysis     gravity loads     structure-ground contact     structure-structure contact     energy conserving/decaying scheme    

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A multi-objective design method for seismic retrofitting of existing reinforced concrete frames usingpin-supported rocking walls

Yue CHEN; Rong XU; Hao WU; Tao SHENG

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 9,   Pages 1089-1103 doi: 10.1007/s11709-022-0851-z

Abstract: several decades, a variety of technical ways have been developed in seismic retrofitting of existing reinforcedAmong them, pin-supported rocking walls (PWs) have received much attentions to researchers recently.

Keywords： pin-supported rocking wall     reinforced concrete frame     seismic retrofit     stiffness demand     drift concentration    

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Confinement properties of circular concrete columns wrapped with prefabricated textile-reinforced fine

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0955-0

Abstract: This paper proposes an innovative column composed of a core column (including both reinforced concrete(RC) and plain concrete (PC) columns) and a prefabricated textile-reinforced fine concrete (TRC) shellTo study the confinement properties of TRC shells on this novel type of concrete column, 20 circularFour key parameters, including the column size, reinforcing ratio of the carbon textile, concrete strength

Keywords： textile-reinforced fine concrete     prefabricated shell     confined concrete column     confinement properties    

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Study on the interfacial shear behavior of steel reinforced concrete (SRC) members with stud connectors

Zihua ZHANG,Junhua LI,Lei ZHANG,Kai YU

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 2,   Pages 140-150 doi: 10.1007/s11709-014-0250-1

Abstract: Statically push-out tests of 20 steel reinforced concrete short columns (SRCSC) with stud connectors

Keywords： steel reinforced concrete (SRC)     short column     stud connector     after fire     interfacial shear transfer    

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Non linear modeling of three-dimensional reinforced and fiber concrete structures

Fatiha IGUETOULENE, Youcef BOUAFIA, Mohand Said KACHI

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 439-453 doi: 10.1007/s11709-017-0433-7

Abstract: Under the effect of the ascending loading, the behavior of reinforced concrete structures is rather non

Keywords： numerical modeling     column and beam     nonlinear analysis     fibers     pious     reinforcement     3D formulation     response    

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Title Author Date Type Operation

Field testing of geosynthetic-reinforced and column-supported earth platforms constructed on soft soil

Qiangong CHENG,Jiujiang WU,Dongxue ZHANG,Fengping MA

Journal Article

Recent advances in geosynthetic-reinforced retaining walls for highway applications

Jie HAN, Yan JIANG, Chao XU

Journal Article

Seismic effects on reinforcement load and lateral deformation of geosynthetic-reinforced soil walls

Journal Article

Soil spatial variability impact on the behavior of a reinforced earth wall

Adam HAMROUNI, Daniel DIAS, Badreddine SBARTAI

Journal Article

Migration of ammonium nitrogen in ion-absorbed rare earth soils during and post mining: a column study

Journal Article

Performance evaluation of low-rise infilled reinforced concrete frames designed by considering localeffects on column shear demand

Journal Article

Parametric study on seismic performance of self-centering reinforced concrete column with bottom-placed

Journal Article

Direct synthesis of dimethyl carbonate over rare earth oxide supported catalyst

JIANG Qi, CHENG Jiye, GAO Zhiqin

Journal Article

Three-dimensional numerical modeling of single geocell-reinforced sand

Xiaoming YANG, Jie HAN, Robert L. PARSONS, Dov LESHCHINSKY,

Journal Article

Effect of eccentricity in reinforced concrete beam-column-slab connection under cyclic loading

Rooh ULLAH, Amjad NASEER, Muhammad FAHIM, Mohammad ASHRAF, Eid BADSHAH

Journal Article

Progressive collapse of 2D reinforced concrete structures under sudden column removal

El Houcine MOURID, Said MAMOURI, Adnan IBRAHIMBEGOVIC

Journal Article

A multi-objective design method for seismic retrofitting of existing reinforced concrete frames usingpin-supported rocking walls

Yue CHEN; Rong XU; Hao WU; Tao SHENG

Journal Article

Confinement properties of circular concrete columns wrapped with prefabricated textile-reinforced fine

Journal Article

Study on the interfacial shear behavior of steel reinforced concrete (SRC) members with stud connectors

Zihua ZHANG,Junhua LI,Lei ZHANG,Kai YU

Journal Article

Non linear modeling of three-dimensional reinforced and fiber concrete structures

Fatiha IGUETOULENE, Youcef BOUAFIA, Mohand Said KACHI

Journal Article